package test;

/**
 * @Author: zongjiantao
 * @Description: $Description$
 * @Date: Created in 13:38 2018/9/17
 * @Modified By:
 */
public interface Calculate {
    int add(int i, int j);
    int sub(int i, int j);

    int mul(int i, int j);
    int div(int i, int j);
}
